Interesting and surprising they really had rules, thanks for the clarification. I'm ashamed to say I opened this page and read it wrong the first time by skipping the first sentence.
You might be interested in my comment about Carnegie Mellon University's researchers findings on what Silk Road sold/didn't sell/what was popular.
You might be interested in my comment about Carnegie Mellon University's researchers findings on what Silk Road sold/didn't sell/what was popular.